Desember 03, 2012

POST Codes

TABLE 8-1 contains descriptions of each of the POST codes, listed in the same order in which they are generated. These POST codes appear at the bottom right of the BIOS screen as a four-digit string that is a combination of two-digit output from primary I/O port 80 and two-digit output from secondary I/O port 81. In the POST codes listed in TABLE 8-1, the first two digits are from port 81 and the last two digits are from port 80.
You can see some of the POST codes from primary I/O port 80 on LEDs inside the front panel of your server node (see POST Code LEDs).
The Response column describes the action taken by the system on encountering the corresponding error. The actions are:
  • Warning or Not an Error - The message appears on the screen. An error record is logged to the system event log (SEL). The system continues booting with a degraded state. The user might want to replace the unit.
  • Pause - The message appears on the screen, an error is logged to the SEL, and user input is required to continue. The user can take immediate corrective action or choose to continue booting.
  • Halt - The message appears on the screen, an error is logged to the SEL, and the system cannot boot unless the error is resolved. The user needs to replace the faulty part and restart the system.

    • TABLE 8-1 Error Messages and Responses
    Error Code
    Error Message
    Response
    0000
    Timer Error
    Pause
    0003
    CMOS Battery Low
    Pause
    0004
    CMOS Settings Wrong
    Pause
    0005
    CMOS Checksum Bad
    Pause
    000B
    CMOS Memory Size Wrong
    Pause
    000C
    RAM R/W Test Failed
    Pause
    000E
    A: Drive Error
    Pause
    000F
    B: Drive Error
    Pause
    0012
    CMOS Date/Time Not Set
    Pause
    0040
    Refresh Timer Test Failed
    Halt
    0041
    Display Memory Test Failed
    Pause
    0042
    CMOS Display Type Wrong
    Pause
    0043
    ~<INS> Pressed
    Pause
    0044
    DMA Controller Error
    Halt
    0045
    DMA-1 Error
    Halt
    0046
    DMA-2 Error
    Halt
    0047
    Unknown BIOS error. Error code = 0047
    Halt
    0048
    Password Check Failed
    Halt
    0049
    Unknown BIOS error. Error code = 0049
    Halt
    004A
    Unknown BIOS error. Error code = 004A
    Pause
    004B
    Unknown BIOS error. Error code = 004B
    Pause
    004C
    Keyboard/Interface Error
     
    005D
    S.M.A.R.T. Command Failed
     
    005E
    Password Check Failed
    Pause
    0101
    Warning! This system board does not support the power requirements of the installed processor. The processor will be run at a reduced frequency, which will impact system performance.
    Pause
    0102
    Error! The CPU Core to Bus ratio or VID configuration has failed! Please enter BIOS Setup and re-config it.
    Pause
    0103
    ERROR! CPU MTRRs configuration failed!
    Uncacheable memory hole or PCI space too complicated.
     
    0120
    Thermal Trip Failure
    Pause
    0121
    Thermal Trip Failure
    Pause
    0122
    Thermal Trip Failure
    Pause
    0123
    Thermal Trip Failure
    Pause
    0124
    Thermal Trip Failure
    Pause
    0125
    Thermal Trip Failure
    Pause
    0126
    Thermal Trip Failure
    Pause
    0127
    Thermal Trip Failure
    Pause
    0128
    Thermal Trip Failure
     
    0129
    Thermal Trip Failure
     
    012A
    Thermal Trip Failure
     
    012B
    Thermal Trip Failure
     
    012C
    Thermal Trip Failure
     
    012D
    Thermal Trip Failure
     
    012E
    Thermal Trip Failure
     
    012F
    Thermal Trip Failure
     
    0150
    Processor Failed BIST
    Pause
    0151
    Processor Failed BIST
    Pause
    0152
    Processor Failed BIST
    Pause
    0153
    Processor Failed BIST
    Pause
    0154
    Processor Failed BIST
    Pause
    0155
    Processor Failed BIST
    Pause
    0156
    Processor Failed BIST
    Pause
    0157
    Processor Failed BIST
    Pause
    0158
    Processor Failed BIST
     
    0159
    Processor Failed BIST
     
    015A
    Processor Failed BIST
     
    015B
    Processor Failed BIST
     
    015C
    Processor Failed BIST
     
    015D
    Processor Failed BIST
     
    015E
    Processor Failed BIST
     
    015F
    Processor Failed BIST
     
    0160
    Processor missing microcode
    Pause
    0161
    Processor missing microcode
    Pause
    0162
    Processor missing microcode
    Pause
    0163
    Processor missing microcode
    Pause
    0164
    Processor missing microcode
    Pause
    0165
    Processor missing microcode
    Pause
    0166
    Processor missing microcode
    Pause
    0167
    Processor missing microcode
    Pause
    0168
    Processor missing microcode
     
    0169
    Processor missing microcode
     
    016A
    Processor missing microcode
     
    016B
    Processor missing microcode
     
    016C
    Processor missing microcode
     
    016D
    Processor missing microcode
     
    016E
    Processor missing microcode
     
    016F
    Processor missing microcode
     
    0180
    BIOS does not support current stepping
    Pause
    0181
    BIOS does not support current stepping
    Pause
    0182
    BIOS does not support current stepping
    Pause
    0183
    BIOS does not support current stepping
    Pause
    0184
    BIOS does not support current stepping
    Pause
    0185
    BIOS does not support current stepping
    Pause
    0186
    BIOS does not support current stepping
    Pause
    0187
    BIOS does not support current stepping
    Pause
    0188
    BIOS does not support current stepping
     
    0189
    BIOS does not support current stepping
     
    018A
    BIOS does not support current stepping
     
    018B
    BIOS does not support current stepping
     
    018C
    BIOS does not support current stepping
     
    018D
    BIOS does not support current stepping
     
    018E
    BIOS does not support current stepping
     
    018F
    BIOS does not support current stepping
     
    0192
    L2 cache size mismatch.
     
    0193
    CPUID, Processor stepping are different.
     
    0194
    CPUID, Processor family are different.
    Pause
    0195
    Front side bus mismatch. System halted.
     
    0196
    CPUID, Processor Model are different.
    Pause
    0197
    Processor speeds mismatched.
    Pause
    5120
    CMOS cleared by jumper.
    Pause
    5121
    Password cleared by jumper.
    Pause
    5125
    Not enough conventional memory to copy PCI Option ROM.
     
    5180
    Unsupported Memory Vendor : DIMM_A0
    Warning
    5181
    Unsupported Memory Vendor : DIMM_A1
    Warning
    5182
    Unsupported Memory Vendor : DIMM_A2
    Warning
    5183
    Unsupported Memory Vendor : DIMM_A3
    Warning
    5184
    Unsupported Memory Vendor : DIMM_A4
     
    5185
    Unsupported Memory Vendor : DIMM_B0
    Warning
    5186
    Unsupported Memory Vendor : DIMM_B1
    Warning
    5187
    Unsupported Memory Vendor : DIMM_B2
    Warning
    5188
    Unsupported Memory Vendor : DIMM_B3
    Warning
    5189
    Unsupported Memory Vendor : DIMM_B4
    Warning
    518A
    Unsupported Memory Vendor : DIMM_B5
    Warning
    518B
    Unsupported Memory Vendor : DIMM_C0
    Warning
    518C
    Unsupported Memory Vendor : DIMM_C1
    Warning
    518D
    Unsupported Memory Vendor : DIMM_C2
    Warning
    518F
    Unsupported Memory Vendor : DIMM_C3
    Warning
    5190
    Unsupported Memory Vendor : DIMM_C4
    Warning
    5191
    Unsupported Memory Vendor : DIMM_C5
    Warning
    5192
    Unsupported Memory Vendor : DIMM_D0
    Warning
    5193
    Unsupported Memory Vendor : DIMM_D1
    Warning
    5194
    Unsupported Memory Vendor : DIMM_D2
    Warning
    5195
    Unsupported Memory Vendor : DIMM_D3
    Warning
    5196
    Unsupported Memory Vendor : DIMM_D4
    Warning
    5197
    Unsupported Memory Vendor : DIMM_D5
    Warning
    51A0
    Unsupported AMB Vendor : DIMM_A0
    Warning
    51A1
    Unsupported AMB Vendor : DIMM_A1
    Warning
    51A2
    Unsupported AMB Vendor : DIMM_A2
    Warning
    51A3
    Unsupported AMB Vendor : DIMM_A3
    Warning
    51A4
    Unsupported AMB Vendor : DIMM_A4
    Warning
    51A5
    Unsupported AMB Vendor : DIMM_A5
    Warning
    51A6
    Unsupported AMB Vendor : DIMM_B0
    Warning
    51A7
    Unsupported AMB Vendor : DIMM_B1
    Warning
    51A8
    Unsupported AMB Vendor : DIMM_B2
    Pause
    51A9
    Unsupported AMB Vendor : DIMM_B3
    Warning
    51AA
    Unsupported AMB Vendor : DIMM_B4
    Warning
    51AB
    Unsupported AMB Vendor : DIMM_B5
    Warning
    51AC
    Unsupported AMB Vendor : DIMM_C0
    Warning
    51AD
    Unsupported AMB Vendor : DIMM_C1
    Pause
    51AE
    Unsupported AMB Vendor : DIMM_C2
    Warning
    51AF
    Unsupported AMB Vendor : DIMM_C3
    Pause
    51B0
    Unsupported AMB Vendor : DIMM_C4
    Pause
    51B1
    Unsupported AMB Vendor : DIMM_C5
    Pause
    51B2
    Unsupported AMB Vendor : DIMM_D0
     
    51B3
    Unsupported AMB Vendor : DIMM_D1
     
    51B4
    Unsupported AMB Vendor : DIMM_D2
     
    51B5
    Unsupported AMB Vendor : DIMM_D3
     
    51B6
    Unsupported AMB Vendor : DIMM_D4
     
    51B7
    Unsupported AMB Vendor : DIMM_D5
     
    51C0
    Memory Configuration Error.
     
    8101
    Warning! USB Host Controller not found at the specified address!!!
     
    8102
    Error! USB device failed to initialize!!!
     
    8104
    Warning! Port 60h/64h emulation is not supported by this USB Host Controller!!!
     
    8105
    Warning! EHCI controller disabled. It requires 64bit data support in the BIOS.
     
    8301
    Not enough space in runtime area. SMBIOS data will not be available.
     
    8302
    Not enough space in runtime area. SMBIOS data will not be available.
     
    8601
    Error: BMC Not Responding
     
    8701
    Insufficient Runtime space for MPS data.!.
    System may operate in PIC or Non-MPS mode.
     

POST Code LEDs

Two LEDs inside the front cover of your server node display the same two-digit POST code output from primary I/O port 80 that is shown on the BIOS screen (the right-most two digits on the lower right of the BIOS screen are the POST code from primary I/O port 80).
In general, the POST codes change so rapidly that you cannot distinguish individual digits. Some POST tests take enough time (or pause or stop), however, so that they might be readable if you look at the LEDs through the front panel. Such codes are listed in TABLE 8-2.
 

TABLE 8-2 POST Codes on the Front Panel LEDs That Might Be Readable
Code
Meaning 
4F
Initializing IPMI BT interface. 
D4
Testing base memory; system might hang if test fails. 
D5
Copying Boot Block to RAM and transferring control to RAM. 
38
Initializing different devices through DIM (Device Initialization Manager). For example, USB controllers are initialized at this point. 
75
Initializing Int-13 and preparing for IPL detection. 
78
Initializing IPL devices controlled by BIOS and option ROMs. 
85
Displaying errors to the user and getting the user response for error. 
87
Executing BIOS setup if needed / requested. Checking boot password if installed. 
00
Passing control to OS Loader (typically INT19h). 
FF
The flash has been updated successfully. Making flash write disabled. Disabling ATAPI hardware. Restoring CPUID value back into register. Giving control to F000 ROM at F000:FFF0h.


Note - For each cold boot (such as when a blade is re-seated into the chassis), POST testing begins to run and detects system resources for a short while. After just a few POST codes, the node is turned off or restarted depending on the selected state in the BIOS for AC Power Loss (Always On, Always Off, or Last State).
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